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Member Post posted an update September 10, 2026
First overhaul. Trane CVHF770. It was a great experience. Been in the field for a while now and just transfered to our Central Plant Team last year. It was intimidating at first becaue of all the rigging, but me and my coworker knocked it out. It was a great feeling hearing it start-up. Looking forward to doing some more! Still have a lot to learn.
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Member Post posted an update September 13, 2026
Short introduction
Hey fellow chiller techs, I’d like to introduce myself. Bill Neigel and I currently work for MM Services in Greenville SC. New to the Upstate moved here two years ago. Prior to I lived in NJ for 54 years and I’ve been doing HVAC and refrigeration work since 1987. Photos are of the most bizarre chiller ive worked on to date. Edwards Engineering…
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Member Post posted an update September 16, 2026
September 16, 2026 (edited)
SCALES
My offoce is looking for a reliable scale that fits the recovery 250’s without having to teeter on the base. What are yall workin with?
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Member Post posted an update September 16, 2026
YLAA Chiller
Has anyone come across a YLAA Chiller that changed its type from Liquid Chiller to Condensing Unit?
This is a 2024 model on R454B with EEV’s.
It had two faults for this, but it is running fine now. Faults recorded 6 months ago. No one on site would go anywhere near the chiller, so not sure how this happened.
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Member Post posted an update September 10, 2026
Carrier chiller I get to work on
We have a client with three of these old Carriers 30HR140-600C. A few years back we replaced the original controllers with Honeywell T775s w/expansion modules. Also converted to 407C. Some leaks, some TXV heads, over the years, still running strong. These are about as big as we go as a company. No centrifugal work. These run like sewing…
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Member Post posted an update August 8, 2026
CGAM - Loss of Charge Alarm
Hi everyone,
I’m looking for some assistance with a 26-ton CGAM chiller. We acquired this customer about a month ago, and I’ve been chasing an issue that has me stumped.
The original complaint was that the chiller would not run because the flow switch would not prove. According to the customer, the chiller was installed about seven years ago. It…
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Member Post posted an update September 11, 2026
looking for Trane software download
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Member Post posted an update September 10, 2026
Introduction post
Hey group, im 39 yo and with 20 years experience and still learning thisbtrade everyday. Pic of a York that had clogged coils and bad vfd for a bank of fans. Happy wrenching!!
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Member Post posted an update September 10, 2026
Chiller mechanic
Worked on Vintage WME vintage A igbt bridge fault
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Member Post posted an update August 25, 2026
How to add oil to a Carrier 30HXC146R
Gents how do you add oil to this water cooled chiller.The oil separater is in condenser barrel do I add into the discharge line or oil line right before the pump next time I will have more photos thanks
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